SAN JUAN, Puerto Rico – Coast Guard rescue crews continue searching Sunday for a man who jumped overboard into Mona Passage waters from the Royal Caribbean International cruise ship Adventure of the Seas Saturday night, during the cruise ship’s transit to Puerto Rico.

Missing is Tien Phuoc Nguyen a 26-year-old man and Canadian citizen, who reportedly was on a cruise with his family when he was last seen by other cruise ship passengers jumping overboard at approximately 8:46 p.m. Saturday. The Adventure of the Seas reportedly was transiting 15 nautical miles east of Mona Island, Puerto Rico when the man jumped overboard.

Watchstanders at Coast Guard Sector San Juan received notification of the incident from the Adventure of the Seas at approximately 9 p.m. Saturday. A Coast Guard Air Station Borinquen MH-65 Dolphin helicopter was launched and the Coast Guard Cutter Cushing was diverted to search for the missing passenger.

The Federal Bureau of Investigations is investigating the circumstances which may have led to the man jumping overboard.

Coast Guard assets involved in the search are:

MH-65 Dolphin helicopters from Air Station Borinquen in Aguadilla, Puerto Rico.